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https://issues.apache.org/jira/browse/HIVE-9404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14283153#comment-14283153
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Eugene Koifman commented on HIVE-9404:
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I actually saw this state on Azure which uses MsSQL. More importantly, we
often get this when checking out a connection from the pool, i.e. isRetryable()
has to handle not having a Connection.... I can add the check but I think it
will be of limited use at least for this type of error
> NPE in
> org.apache.hadoop.hive.metastore.txn.TxnHandler.determineDatabaseProduct()
> ---------------------------------------------------------------------------------
>
> Key: HIVE-9404
> URL: https://issues.apache.org/jira/browse/HIVE-9404
> Project: Hive
> Issue Type: Bug
> Components: Transactions
> Affects Versions: 0.15.0
> Reporter: Eugene Koifman
> Assignee: Eugene Koifman
> Attachments: HIVE-9404.patch
>
>
> {noformat}
> Caused by: java.lang.NullPointerException
> at
> org.apache.hadoop.hive.metastore.txn.TxnHandler.determineDatabaseProduct(TxnHandler.java:1015)
> at
> org.apache.hadoop.hive.metastore.txn.TxnHandler.checkRetryable(TxnHandler.java:906)
> at
> org.apache.hadoop.hive.metastore.txn.TxnHandler.getOpenTxns(TxnHandler.java:238)
> at
> org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.get_open_txns(HiveMetaStore.java:5321)
> {noformat}
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